Question: "Which participants of the Battle of Leuthen, had a brother named Francis I, Holy Roman Emperor?"
Paraphrase: "Which members of the Fight of Leuthen, had a brother named Francis I, Heavenly Roman Emperor?"
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q313435 wdt:P710 ?answer . ?answer wdt:P3373 wd:Q151075}
Answer: Prince Charles Alexander of Lorraine